Online PHP editor | output for sHfvr

<?php $hasil = 40; $kecewa = array(0,40,65); $biasa = array(40,65,80); $puas = array(65,80,100); $kb = array_intersect($kecewa, $biasa); $bp = array_intersect($biasa, $puas); print_r($kb); print_r($bp); if ( $hasil <= $kb ) { // hitung nilai kecewa pake rumus fuzzy logic $muKecewa = ($kb[2] - $hasil) / ($kb[2] - $kb[1]); //output : 52,5 $muBiasa = ($hasil - $kb[1]) / ($kb[2] - $kb[1]); echo "muKecewa ".$muKecewa; echo " muBiasa ".$muBiasa; } elseif ( $hasil <= $bp ) { $muBiasa = ($hasil - $kb[1]) / ($bp[1] - $kb[1]); $muPuas = ($muBiasa >= 1) ? '0.5' : '0'; echo "muBiasa".$muBiasa; }